ATTACHE BORGNE

A blind fastener for fastening an apertured workpiece (37) of frangible composite material comprises a tubular shank (18) having a head (20) at one end and a concavely tapering nose (22) at the other end, and and a ductile sleeve (16) which can be forced over the nose (22) to form a blind head by wh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	HARVEY PHILIP JEAL
Format:	Patent
Sprache:	fre
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A blind fastener for fastening an apertured workpiece (37) of frangible composite material comprises a tubular shank (18) having a head (20) at one end and a concavely tapering nose (22) at the other end, and and a ductile sleeve (16) which can be forced over the nose (22) to form a blind head by which the workpiece can be clampingly engaged at a position spaced radially away from the shank (18). The sleeve (16) is forced over the nose (22) by screwing a headed bolt (14) into the tubular shank (18). The nose (22) may be continuously curved, or comprise steeply and shallowly tapering frusto-conical regions (46, 44), to cause the leading end of the sleeve (16) to be expanded to an internal diameter substantially greater than the external diameter of the shank.